2519920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 6312096

約数和(自身を除く): 3792176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2423, 4846, 9692, 12115, 19384, 24230, 31499, 38768, 48460, 62998, 96920, 125996, 157495, 193840, 251992, 314990, 503984, 629980, 1259960, 2519920]

約数ペア:

[(1, 2519920), (2, 1259960), (4, 629980), (5, 503984), (8, 314990), (10, 251992), (13, 193840), (16, 157495), (20, 125996), (26, 96920), (40, 62998), (52, 48460), (65, 38768), (80, 31499), (104, 24230), (130, 19384), (208, 12115), (260, 9692), (520, 4846), (1040, 2423)]